in France ran the following experiment: 145 people walking into a home goods store were offered a welcome beverage: an espresso (caffeinated) or an option of a non-caffeinated drink. 58 shoppers chose the espresso while 87 went for the non-caffeinated alternative. On average the caffeinated shoppers spent$18 with a standard deviation of$29, while the non- caffeinated folks spent on average$9 with a standard deviation of$16.

Which statement is correct?

Group of answer choices

It is not unusual for a caffeinated shopper to spend above $50 .

It is harder to predict what non-caffeinated shoppers will do.

All caffeinated shoppers spend more than non-caffeinated ones.